116717639 has 2 divisors, whose sum is σ = 116717640. Its totient is φ = 116717638.

The previous prime is 116717599. The next prime is 116717651. The reversal of 116717639 is 936717611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116717639 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 116717596 and 116717605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116717659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58358819 + 58358820.

It is an arithmetic number, because the mean of its divisors is an integer number (58358820).

Almost surely, 2^116717639 is an apocalyptic number.

116717639 is a deficient number, since it is larger than the sum of its proper divisors (1).

116717639 is an equidigital number, since it uses as much as digits as its factorization.

116717639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 41.

The square root of 116717639 is about 10803.5938002130. The cubic root of 116717639 is about 488.7035546946.

The spelling of 116717639 in words is "one hundred sixteen million, seven hundred seventeen thousand, six hundred thirty-nine".